Bump pip from 25.2 to 25.3

Bumps [pip](https://github.com/pypa/pip) from 25.2 to 25.3.
- [Changelog](https://github.com/pypa/pip/blob/main/NEWS.rst)
- [Commits](pypa/pip@25.2...25.3)

---
updated-dependencies:
- dependency-name: pip
  dependency-version: '25.3'
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -3,7 +3,7 @@ cryptography==44.0.1
 gitpython==3.1.41
 keen==0.7
 mock==4.0
-pip==25.2
+pip==25.3
 pre-commit==2.17
 pyjwt==2.4.0
 pyyaml==6.0